MLP Next Gen Royalty
Princess Black Dahlia ~ Created by Luna with magic.

Princess Luna and Celestia agreed that when their time came they needed replacements. With the joint need of wanting to be guardians, the combined their magic to create Black Dahlia and Iris, created after their favorite flowers. Dahlia is a bat pony who is is apart of the royal guard and is very mature, almost to a point people think she lacks emotion. When Equestria is in need, She and Iris fuse together to form the celestial being Star Dust

Princess Iris ~ Created by Celestia using magic

Princess Luna and Celestia agreed that when their time came they needed replacements. With the joint need of wanting to be guardians, the combined their magic to create Black Dahlia and Iris, created after their favorite flowers. Iris is a unicorn with more in common with Pinkiw Pie than anyone else. When Equestria is in need, She and Iris fuse together to form the celestial being Star Dust

Harmony ~ Spawn of Discord (and Fluttershy?)

No pony is quite sure how Harmony came to be, some think Discord made her in Fluttershy's image, others think that Fluttershy is her mom. The only people who know for sure are Discord and Fluttersy.

Horizon Guard ~ Spawn of Twilight and Flash Sentry

Though she is interested in studies, they mostly include battle strategies. She tends to take after both parents, her talent is leaned towards leadership and battle strategy.

Some designs were changed

Base:
kimyowolf.deviantart.com/art/T…
KimyoWolf

Speedpaint:
www.youtube.com/watch?v=PBTkbD…